Hello  All,

I am new here and want to find out if TDB is useful for my work.
But first I need to know that if the TDB optimizer level "ALL" provide record 
accesses in every query, then decide if I need to install it...
Could anyone kindly help on my naïve question?

Thank you very much for your help!

The level are explained here 
(https://jena.apache.org/documentation/tdb/optimizer.html) says "...every 
database access".

Level

Effect

INFO

Log each query

FINE

Log each query and it's algebra form after optimization

ALL

Log query, algebra and every database access (can be expensive)

NONE

No information logged



Best Regards,
Wei Zhang

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